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1. Select Function 53 and press Enter to display 53**.
2. Select the function you want to perform (refer to table below). Use the
Increment or Decrement button to scroll to the appropriate function. Press
Enter to display 53nn, where nn is the function that you selected.
Table 35. Repeat GARD Functions in Function 53
Function Action or Description
00 Clear memory, processor, L3 Repeat GARD
01 Enable memory, processor, L3 Repeat GARD
02 Disable memory, processor, L3 Repeat
GARD
03 View enable/disable status (E – enabled, D –
disabled)
Function 55–Override of Main Store Dump: The purpose of the main store
dump override function is to allow service representatives to modify the dump
policy implemented in the microcode. Once an override is set, it will stay in effect
until another override selection has been made.
1. Select Function 55 and press Enter to display 55**.
2. Select the function you want to perform (refer to the table below). Use the
Increment or Decrement button to scroll to the appropriate function. Press
Enter to display 55nn, where nn is the function that you selected.
Table 36. Override of Main Store Dump Functions in Function 55
Function Action or Description
00 View current setting
01 No override. Normal operation, where all
main store dumps requested will be taken.
02 No main store dump. No portion of the
dump will be taken and the system will
simply terminate with the failing SRC.
03 Complete hardware dump. Use only when
directed by your next level of support.
04 Base abbreviated hardware dump. Use only
when directed by your next level of support.
05 Checkstopped hardware dump. Use only
when directed by your next level of support.
06 Checkstopped with software registers
hardware dump. Use only when directed by
your next level of support.
Low-Level Debug (LLD) panel functions (Models 270, 8xx, SB2,
SB3, and 890)
You can enable these functions by selecting Manual mode and selecting Functions
25 and 26. The following is a list of all the low-level debug (LLD) panel functions
and a description of each.
Function 57–Display Service Processor Diagnostic Data Area Addresses: These
addresses can be used to display debug data in function 62.
188 Service Functions V5R2
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